Decreasing precipitation and rising populations could bring a perfect storm of water shortages for the United States. Where is our water going? A thunderstorm sweeps across Nevada, a state in which ...

The massive Olympus Mons volcano on Mars—one of the solar system’s highest peaks—may have towered above a Martian ocean in the distant past, a new study suggests. The research identifies an escarpment ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...